From: | Dustin Sallings <dustin(at)spy(dot)net> |
---|---|
To: | pgsql-general(at)postgresql(dot)org |
Subject: | evil optimizer |
Date: | 1999-01-28 20:01:53 |
Message-ID: | Pine.SGI.3.95.990128115812.8744B-200000@bleu.west.spy.net |
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Thread: | |
Lists: | pgsql-general |
I've got a query that the optimizer never returns from:
select events.event_id, events.hostdate, events.ts, events.priority,
tags.tag_name, events.stack,
messages.message,
usernames.user_name as user_name,
wwwusers.user_name as wwwuser,
files.file_name as filename,
scripts.file_name as scriptname,
events.linenum
from events, tags, messages, usernames, usernames as wwwusers,
files, files as scripts
where events.tag_id=tags.tag_id
and events.message_id=messages.message_id
and usernames.user_id = events.user_id
and wwwusers.user_id = events.wwwuser_id
and files.file_id = events.file_id
and scripts.file_id = events.script_id
...is there anything in there that looks like it should confuse
it? The table definition is attached. It will fail even if I have no
data at all, so it should be easy to reproduce:
createdb events
psql -f events.sql events
psql events
events> select * from event_view;
That's all it takes.
--
SA, beyond.com My girlfriend asked me which one I like better.
pub 1024/3CAE01D5 1994/11/03 Dustin Sallings <dustin(at)spy(dot)net>
| Key fingerprint = 87 02 57 08 02 D0 DA D6 C8 0F 3E 65 51 98 D8 BE
L_______________________ I hope the answer won't upset her. ____________
Attachment | Content-Type | Size |
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events.sql | text/plain | 3.9 KB |
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